MH Series Metering Pumps
MH Series Simplex pump. Shown with optional variable speed motor.
These simple, rugged, accurate pumps are used in many industrial
plants for injecting a controlled flow of highly reactive liquids
such as acids, caustics and water treatment chemicals. Heavy
duty industrial grade construction means these tough pumps will
deliver many years of trouble free 24-7-365 pumping. Simplex
capacity up to 180 GPH, and duplex capacity up to 360 GPH
- MH Series pumps are designed for ±1% steady state
repeatable accuracy over a 10:1 turndown range.
- Manual output control knob is located on top of the pump
for easy access.
- Automatic pump output control is available for pumps equipped
with a variable speed motor, such as the Franklin
Type IMDS motor.
- Industrial grade worm gear reducer is integral with the pumping
mechanism. Precision internal pump parts run in an oil bath
for extended service life. No external lubrication required.
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Double diaphragm option is available for superior protection
from dangerous liquids.
When equipped with the proper materials the MH Series pumps
are excellent for pumping dangerous liquids such as acids,
caustics and solvents. Liquids with suspended solids such as
diatomaceous earth and lime slurry can be accurately pumped.
Standard motors are industrial grade 3/4 to 1-1/2 HP 56 frame
foot mounted TEFC. Motors are available for explosion proof,
washdown, and mill & chem plant duty, and for 1 or 3 phase,
50 or 60 Hz power.
Tough fabric reinforced rubber diaphragms protect the drive
train from the pumped liquid. The short stroke with 4.5" diameter
piston increases diaphragm life by reducing fatigue.
Internal components the same as MF Series pumps.
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| MH Series Pumps, Simplex (one pumping head) |
| Model No. |
Output Range GPH |
Output Range L/hr |
Max Pressure psi/bar |
Piping Connection |
Motor HP/kw |
Stroke Speed 1,725 rpm motor |
| MH196D |
9.6-96 |
36-363 |
150/10.6 |
3/4" NPT |
3/4/.56 |
115 spm |
| MH1125E |
12-125 |
47-473 |
150/10.6 |
3/4" NPT |
1/.75 |
172 spm |
| MH1150F |
15-150 |
57-568 |
150/10.6 |
3/4" NPT |
1.5/1.12 |
172 spm |
| MH1180E |
18-180 |
68-681 |
50/3.5 |
3/4" NPT |
1/.75 |
172 spm |
| MH1180F |
18-180 |
68-681 |
100/7 |
3/4" NPT |
1.5/1.12 |
172 spm |
| MH Series Pumps, Duplex (two pumping head) |
| Model No. |
Output Range GPH |
Output Range L/hr |
Max Pressure psi/bar |
Piping Connection |
Motor HP/kw |
Stroke Speed 1,725 rpm motor |
| MH296D |
9.6-96 |
36-363 |
150/10.6 |
3/4" NPT |
3/4/.56 |
115 spm |
| MH2125E |
12-125 |
47-473 |
150/10.6 |
3/4" NPT |
1/.75 |
172 spm |
| MH2150F |
15-150 |
57-568 |
150/10.6 |
3/4" NPT |
1.5/1.12 |
172 spm |
| MH2180E |
18-180 |
68-681 |
50/3.5 |
3/4" NPT |
1/.75 |
172 spm |
| MH2180F |
18-180 |
68-681 |
100/7 |
3/4" NPT |
1.5/1.12 |
172 spm |
Compare MH
Series Metering Pumps
